HEY vs Mailjet Comparison (2026)

Compare HEY vs Mailjet email services. In-depth analysis of features, pricing, security, privacy, and storage to find the best email provider for your needs.

Forward Email Team
Written by
Forward Email TeamVerified
Published
4/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to HEY. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
HEYvs.Mailjet

HEY

We finally fixed your email + calendar!
"We finally fixed your email + calendar!"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

Mailjet

Effortlessly create and deploy marketing and transactional emails in one place
"Effortlessly create and deploy marketing and transactional emails in one place"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
$99/yr + $12/mo per userPricing$15/mo
100 GBStorageNo Mailjet does not support storage
HEY does not use regular email attachments, which also prevents them from being encrypted with PGPAttachments15 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
NoSMTPYes
NoIMAPNo
NoPOP3No
NoAPIYes
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

HEY

HEY is a closed-source email service. Their website says: We finally fixed your email + calendar!

HEY is a closed-source email service.
Screenshot by Forward Email
Go to site
Closed-source

Mailjet

Mailjet is a closed-source email service. Their official description reads: Effortlessly create and deploy marketing and transactional emails in one place

Mailjet is a closed-source email service.
Photo by Forward Email
Go to site

Compare HEY with 78 email services